DE2707128A1 - Verfahren zur herstellung von ketoalkynsaeuren und anwendung des verfahrens bei einer verbesserten synthese von 2-(substituierten)- cyclopentan-1,3,4-trionen - Google Patents

Verfahren zur herstellung von ketoalkynsaeuren und anwendung des verfahrens bei einer verbesserten synthese von 2-(substituierten)- cyclopentan-1,3,4-trionen

Info

Publication number
DE2707128A1
DE2707128A1 DE19772707128 DE2707128A DE2707128A1 DE 2707128 A1 DE2707128 A1 DE 2707128A1 DE 19772707128 DE19772707128 DE 19772707128 DE 2707128 A DE2707128 A DE 2707128A DE 2707128 A1 DE2707128 A1 DE 2707128A1
Authority
DE
Germany
Prior art keywords
methyl
dioxolane
chloro
acid
oxo
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
DE19772707128
Other languages
German (de)
English (en)
Inventor
Lawrence Francis Reverman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer Corp
Original Assignee
Miles Laboratories Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Miles Laboratories Inc filed Critical Miles Laboratories Inc
Publication of DE2707128A1 publication Critical patent/DE2707128A1/de
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
    • C07C59/40—Unsaturated compounds
    • C07C59/76—Unsaturated compounds containing keto groups
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
    • A61P1/04—Drugs for disorders of the alimentary tract or the digestive system for ulcers, gastritis or reflux esophagitis, e.g. antacids, inhibitors of acid secretion, mucosal protectants
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
    • C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
    • C07D317/14—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D317/16—Radicals substituted by halogen atoms or nitro radicals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
    • C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
    • C07D317/14—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D317/30—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals

Landscapes

  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
DE19772707128 1976-02-23 1977-02-18 Verfahren zur herstellung von ketoalkynsaeuren und anwendung des verfahrens bei einer verbesserten synthese von 2-(substituierten)- cyclopentan-1,3,4-trionen Pending DE2707128A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/660,270 US4026911A (en) 1976-02-23 1976-02-23 Process for the preparation of ketoalkynoic acids and use of the process in an improved synthesis of 2-(substituted)-cyclo-pentane-1,3,4-triones

Publications (1)

Publication Number Publication Date
DE2707128A1 true DE2707128A1 (de) 1977-08-25

Family

ID=24648805

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772707128 Pending DE2707128A1 (de) 1976-02-23 1977-02-18 Verfahren zur herstellung von ketoalkynsaeuren und anwendung des verfahrens bei einer verbesserten synthese von 2-(substituierten)- cyclopentan-1,3,4-trionen

Country Status (6)

Country Link
US (1) US4026911A (ja)
JP (1) JPS52122319A (ja)
CA (1) CA1082215A (ja)
DE (1) DE2707128A1 (ja)
FR (2) FR2357521A1 (ja)
GB (1) GB1530535A (ja)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB859897A (en) * 1958-07-05 1961-01-25 Roche Products Ltd Novel unsaturated acids and esters thereof and a process for the manufacture and conversion of same
GB1370022A (en) * 1971-03-25 1974-10-09 Unilever Ltd Process for preparing ethylenic carboxylic acids

Also Published As

Publication number Publication date
FR2357521A1 (fr) 1978-02-03
JPS52122319A (en) 1977-10-14
FR2361334B1 (ja) 1980-02-01
FR2361334A1 (fr) 1978-03-10
GB1530535A (en) 1978-11-01
CA1082215A (en) 1980-07-22
FR2357521B1 (ja) 1980-02-22
US4026911A (en) 1977-05-31

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Legal Events

Date Code Title Description
OHW Rejection